DE68901570D1 - Impuls-wirbelstrom-pruefverfahren und verwendungsvorrichtung. - Google Patents

Impuls-wirbelstrom-pruefverfahren und verwendungsvorrichtung.

Info

Publication number
DE68901570D1
DE68901570D1 DE8989400504T DE68901570T DE68901570D1 DE 68901570 D1 DE68901570 D1 DE 68901570D1 DE 8989400504 T DE8989400504 T DE 8989400504T DE 68901570 T DE68901570 T DE 68901570T DE 68901570 D1 DE68901570 D1 DE 68901570D1
Authority
DE
Germany
Prior art keywords
test method
current test
use device
edge current
impulse edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8989400504T
Other languages
English (en)
Inventor
Francois Champonnois
Bernard David
Francis Joffre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE68901570D1 publication Critical patent/DE68901570D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
DE8989400504T 1988-02-26 1989-02-23 Impuls-wirbelstrom-pruefverfahren und verwendungsvorrichtung. Expired - Lifetime DE68901570D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8802377A FR2627862A1 (fr) 1988-02-26 1988-02-26 Procede de controle par courants de foucault impulsionnels et dispositif de mise en oeuvre

Publications (1)

Publication Number Publication Date
DE68901570D1 true DE68901570D1 (de) 1992-06-25

Family

ID=9363671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989400504T Expired - Lifetime DE68901570D1 (de) 1988-02-26 1989-02-23 Impuls-wirbelstrom-pruefverfahren und verwendungsvorrichtung.

Country Status (5)

Country Link
US (1) US4954778A (de)
EP (1) EP0335757B1 (de)
JP (1) JPH01272959A (de)
DE (1) DE68901570D1 (de)
FR (1) FR2627862A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2622536B2 (ja) * 1990-03-16 1997-06-18 株式会社日本非破壊計測研究所 渦流探傷方法及びその装置
US5233297A (en) * 1990-08-06 1993-08-03 Atlantic Richfield Company Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
US6285183B1 (en) 1996-09-30 2001-09-04 Mcdonnell Douglas Corporation Method and system for measuring the volume loss of a metal substrate
JP2002022708A (ja) * 2000-07-06 2002-01-23 Mitsubishi Heavy Ind Ltd 渦流探傷信号の評価方法及びその装置
US6933718B2 (en) * 2001-06-12 2005-08-23 The Boeing Company Quantification method and system for corrosion and damage assessment
JP4451111B2 (ja) * 2003-10-20 2010-04-14 株式会社荏原製作所 渦電流センサ
US7557570B2 (en) * 2005-11-03 2009-07-07 The Clock Spring Company L.P. System and method for producing color contour maps of surface defects of high pressure pipelines
JP2012026806A (ja) * 2010-07-21 2012-02-09 Toshiba Corp リモートフィールド渦電流探傷装置、及び方法
RU2547153C1 (ru) * 2013-11-29 2015-04-10 Акционерное общество "Всероссийский научно-исследовательский институт по эксплуатации атомных электростанций" (АО ВНИИАЭС) Способ повышения достоверности вихретокового неразрушающего дефектоскопического контроля
US11499940B2 (en) * 2019-01-22 2022-11-15 Zetec, Inc. Eddy current probe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197693A (en) * 1960-10-04 1965-07-27 Hugo L Libby Nondestructive eddy current subsurface testing device providing compensation for variation in probe-to-specimen spacing and surface irregularities
US3229197A (en) * 1961-10-31 1966-01-11 Jr Claus J Renken Pulsed electromagnetic field system for nondestructive testing
US3229198A (en) * 1962-09-28 1966-01-11 Hugo L Libby Eddy current nondestructive testing device for measuring multiple parameter variables of a metal sample
FR2195021B1 (de) * 1972-08-03 1976-01-23 Commissariat A En Atomique Fr
FR2324003A1 (fr) * 1975-09-09 1977-04-08 Commissariat Energie Atomique Procede de controle non destructif par courants de foucault et dispositif correspondant, utilisant une excitation multifrequence et permettant l'elimination de certains parametres
FR2339170A1 (fr) * 1976-01-22 1977-08-19 Commissariat Energie Atomique Pont de mesure pour dispositif de controle par courants de foucault
US4061968A (en) * 1976-09-07 1977-12-06 Commissariat A L'energie Atomique Process of and apparatus for non-destructive eddy current testing involves the suppression of displayed lobes corresponding to fault parameters to be eliminated from the display
US4084136A (en) * 1976-10-21 1978-04-11 Battelle Memorial Institute Eddy current nondestructive testing device for measuring variable characteristics of a sample utilizing Walsh functions
FR2443682A1 (fr) * 1978-12-07 1980-07-04 Commissariat Energie Atomique Circuit de correction automatique d'un signal emis par un capteur differentiel desequilibre
FR2451032A1 (fr) * 1979-03-09 1980-10-03 Commissariat Energie Atomique Appareil numerique pour le controle de pieces par courants de foucault
FR2570500B1 (fr) * 1984-09-20 1987-03-20 Siderurgie Fse Inst Rech Procede et dispositif de detection de defauts typiques sur un produit en defilement, notamment pour la detection de criques sur une brame
US4823082A (en) * 1986-02-18 1989-04-18 Kabushiki Kaisha Kobe Seiko Sho Signal processing method for an electromagnetic induction test

Also Published As

Publication number Publication date
US4954778A (en) 1990-09-04
FR2627862B1 (de) 1994-04-22
EP0335757A1 (de) 1989-10-04
EP0335757B1 (de) 1992-05-20
FR2627862A1 (fr) 1989-09-01
JPH01272959A (ja) 1989-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee